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Objective: To find the results of unreamed interlocking nail in the diaphyseal fracture of humerus in our setup with
studying wound infection and union after fixation.
Material and Methods: We applied this prospective study in Orthopaedic and Trauma Unit Khyber Teaching Hospital
Peshawar-Pakistan from Feb 2014 to August 2016. We included 75 patients with diaphyseal fractures of humerus shaft.
All these patients were treated with unreamed interlocking nail. All these patients were examined Two weeks and Four
weeks postoperatively for infection and at 20th weeks for union in the OPD.
Results: In our study male patients were 57(76%) and females were 18(24%).The mean age of all patients were
40.50years ± 14.89SD. At two weeks,97.33% patients i.e 73 were having no wound infection and 2.66% patients i.e 2
were having wound infection. These 02(2.66%) patients were again examined at further two(four) weeks, where 1(1.33%)
patients got infection free and 1(1.33%) were still having infection. 74(98.66%) patients achieved union at 20 weeks
while 1(1.33%) were not able to achieve solid unions when examined in OPD at this time period.
Conclusion: In humerus diaphyseal fractures Unreamed interlocking nailing has good outcomes in terms of wound
infection and union of fracture.
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